COMPANY RECORD · CHICAGO, IL
D-Tech Systems — permit history in Chicago, IL
D-Tech Systems appears on 30 Chicago permit records from 2020 through 2026, all of them electrical.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Electrical | 30 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 4 |
Busiest year on record: 2023, with 8 permits. One project can account for several filings, so read this as filing activity rather than workload.
Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| Topiarius Inc | 6 | 2026-08-10 |
| Emerald Concrete & Brick | 3 | 2025-12-01 |
| Home One Construction PLLC | 3 | 2024-01-22 |
| B&K Concrete 01 | 2 | 2023-09-05 |
| J. S. Masonry, Inc. | 2 | 2022-05-23 |
| Arlington Exteriors Inc | 1 | 2024-08-16 |
| Athens Construction Company, Inc | 1 | 2021-01-11 |
| Benchdog Construction Corp. | 1 | 2022-09-14 |
| Cna General Construction LLC | 1 | 2025-11-24 |
| Kraus Construction, Inc. | 1 | 2020-11-17 |
| O'connor Building Corporation | 1 | 2021-02-08 |
| Redmon Construction, Inc. | 1 | 2026-04-15 |
15 companies are named alongside D-Tech Systems on the same Chicago permit. A shared permit is a documented co-appearance, not proof of a current contract. Names appear as the authority published them.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 1819 W SCHOOL ST | 2026-08-10 |
| 1946 N HOWE ST | 2026-07-08 |
| 3500 W PETERSON AVE | 2026-06-15 |
| 4045 N CICERO AVE | 2026-04-15 |
| 1415 N MAPLEWOOD AVE | 2025-12-17 |
| 1761 W GRANVILLE AVE | 2025-12-01 |
| 4201 W 69TH ST | 2025-11-24 |
| 6743 N SIOUX AVE | 2025-09-02 |
| 4741 N SAWYER AVE | 2024-12-12 |
| 4514 N SACRAMENTO AVE | 2024-08-16 |
| 2263 N JANSSEN AVE | 2024-07-01 |
| 54 E ELM ST | 2024-05-14 |
| 1546 W WALTON ST | 2024-04-26 |
| 8018 S HARVARD AVE | 2024-01-22 |
30 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $1,550,000, median $50,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
30 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101080831 | 2026-08-10 | Electrical | 1819 W SCHOOL ST | SC 2019 CBRC: RENOVATIONS TO EXISTING ROOFTOP DECK FOR METAL PERGOLA ON EXISTING 2-CAR GARAGE W/ (OCCUPANCY GROUP R-5, TYPE IIIA CONSTRUCTION), PER PLANS | $75,000 |
| 101069892 | 2026-07-08 | Electrical | 1946 N HOWE ST | SPR 2019 CBC: NEW CONSTRUCTION (1) STORY 2-CAR FRAME DETACHED GARAGE W/ ROOFTOP DECK & METAL PERGOLA; CONSTRUCTION TYPE III-A, PER PLANS | $75,000 |
| B200474309 | 2026-06-15 | Electrical | 3500 W PETERSON AVE | FOR PERMIT 101082280: REPLACEMENT ELECTRICAL CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE. | |
| 101072967 | 2026-04-15 | Electrical | 4045 N CICERO AVE | SPR 2019 CBC: INITIAL TENANT BUILD OUT OF A ONE (1) STORY RESTAURANT, AS PER PLANS. (OCCUPANCY GROUP A-2; TYPE IIB CONSTRUCTION) | $1,550,000 |
| B200454381 | 2025-12-17 | Electrical | 1415 N MAPLEWOOD AVE | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 200 AMP SERVICE DISCONNECTING MEANS WITH 5 CIRCUITS. RECEPTACLE OUTLETS: 5 . LIGHTING OUTLETS: 5. SPECIFIC LOCATION: BASEMENT. | $8,500 |
| 101076630 | 2025-12-01 | Electrical | 1761 W GRANVILLE AVE | SELF-CERT 2019 CBRC: INTERIOR ALTERATION TO BASEMENT OF SINGLE UNIT HOME. NO ADDITION, NO CHANGE TO EXISTING USE OR FLOOR AREA. NO CHANGE TO FLOORS ABOVE. REPLACE ONE WINDOW IN EX | $75,000 |
| 101074816 | 2025-11-24 | Electrical | 4201 W 69TH ST | S.C. 2019 CRBC: ALTERATIONS TO 2,432 SQ FT 1-STORY OFFICE BUILDING AT A CHEMICAL (INDUSTRIAL) FACILITY. IMPROVEMENTS INCLUDE RE-CONFIGURING ROOMS, MEP IMPROVEMENTS, IMPROVE ACCES | $160,000 |
| B200440736 | 2025-09-02 | Electrical | 6743 N SIOUX AVE | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 200 AMP SERVICE DISCONNECTING MEANS WITH 1 CIRCUITS. RECEPTACLE OUTLETS: 1 . LIGHTING OUTLETS: 1. SPECIFIC LOCATION: BASEMENT & OUTDOOR. | $8,750 |
| B200408605 | 2024-12-12 | Electrical | 4741 N SAWYER AVE | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 200 AMP SERVICE DISCONNECTING MEANS WITH 40 CIRCUITS. RECEPTACLE OUTLETS: 1 . LIGHTING OUTLETS: 1. SPECIFIC LOCATION: SIDE OF THE BUILDI | $2,750 |
| 101055949 | 2024-08-16 | Electrical | 4514 N SACRAMENTO AVE | PROPOSED 2 CAR GARAGE W/ROOF DECK AND TRELLIS SERVING AN EXISTING 2 STORY SFR, PER PLANS. | $85,000 |
| 101049642 | 2024-07-01 | Electrical | 2263 N JANSSEN AVE | SC 2019 CBC: RENOVATION TO EXISTING ROOFTOP DECK ON (1) STORY TYPE III-A CONSTRUCTION MASONRY GARAGE AT EXISTING SINGLE-FAMILY RESIDENCE (OCCUPANCY R5), PER PLANS. | $25,000 |
| 101048290 | 2024-05-14 | Electrical | 54 E ELM ST | SC 2019 CBC: RENOVATION TO EXISTING ROOFTOP DECK ABOVE SECOND FLOOR ON (3) STORY MASONRY SINGLE-FAMILY HOME W/ BSMT, PER PLANS | $50,000 |
| B200015169 | 2024-04-26 | Electrical | 1546 W WALTON ST | WORK IN APT 1F: REMOVE OLD DRYWALL AND REPLACE WITH NEW DRYWALL- 450 SQ FT. NEW ELECTRICAL SERVICE AND 6 NEW ELECTRICAL CIRCUITS. (NO PLUMBING WORK OR NO HVAC WORK UNDER THIS PERMI | $43,000 |
| 101035294 | 2024-01-22 | Electrical | 8018 S HARVARD AVE | SPR 2019 CBC: INTERIOR REMODELING AND TUCKPOINTING OF BRICK WALLS AS NEEDED OF THE EXISTING BRICK 2 STORY 2 D.U. RESIDENTIAL BUILDING WITH BASEMENT AS AS PER PLANS. NO EXPANSION O | $165,000 |
| B101033479 | 2023-09-29 | Electrical | 1722 N DAYTON ST | ELECTRICAL CONTRACTOR CHANGE TO D-TECH SYSTEMS CO ON PERMIT #101004707 | |
| 101020856 | 2023-09-05 | Electrical | 1630 N SPRINGFIELD AVE | SPR 2019 CBC: NEW 2 STORY FRAME SINGLE FAMILY HOUSE WITH BASEMENT AND DETACHED 2 CAR FRAME GARAGE AS PER PLANS. **CERTIFIED PLANS CORRECTIONS: CONDITIONAL PERMIT SUBJECT TO FIELD I | $350,000 |
| 101019662 | 2023-08-14 | Electrical | 2145 W MCLEAN AVE | SPR - 2019 CBC - REMOVE & REPLACE EXISTING ROOF TOP DECK AND PERGOLA PER PLANS (OCCUPANCY CLASS R-5, CONSTRUCTION TYPE IIIA) | $50,000 |
| 101020855 | 2023-08-08 | Electrical | 4039 N KENNETH AVE | SPR 2019 CBC - PROPOSED 2 STORY SFR W/BASEMENT AND REAR 2 CAR GARAGE, PER PLANS.**CERTIFIED CORRECTIONS SUBJECT TO FIELD INSPECTIONS & AUDIT ** | $350,000 |
| B101022135 | 2023-06-27 | Electrical | 6131 N KEDVALE AVE | ELECTRICAL SERVICE UPGRADE/REPLACEMENT. 120V/240V-200A | $3,500 |
| 101006954 | 2023-05-18 | Electrical | 1931 N LEAVITT ST | SPR 2019 CBRC: REPLACE EXIST. OPEN WD. STAIRS & PORCH W/ NEW MTL. STAIRS & PORCH, REPLACE EXIST. ROOFTOP DECK W/ NEW ON EXIST. 2-CAR MAS. GARAGE & NEW MTL. PERGOLA | $35,000 |
| 101003774 | 2023-04-07 | Electrical | 134 N LARAMIE AVE | SELF-CERT: INTERIOR & EXTERIOR REHAB., REAR & FRONT OPEN WD PORCHES TO BE REPLACED SAME SIZE AND LOCATION IN EXISTING 1-1/2 STORY SINGLE FAMILY BRICK RESIDENCE AS PER ARCHITECT'S P | $65,000 |
| B101009732 | 2023-03-20 | Electrical | 7329 S EMERALD AVE | EXISTING ELECTRICAL SERVICE - MOVE TO THE NEW LOCATION 120V/240V - 200-AMP -- 3 X METERS, 2 X UNITS, 1 X PUBLIC CORRECT LISTED CODE VIOLATIONS ON PROPERTY | $3,000 |
| 100981120 | 2022-09-14 | Electrical | 3489 N ELSTON AVE | REVISION TO PERMIT NO. 100938856 TO CHANGE GENERAL CONTRACTOR TO BENCHDOG CONSTRUCTION, CHANGE PLUMBER TO LISTER PLUMBING, CHANGE ELECTRICIAN TO D-TECH SYSTEMS | $5,000 |
| 100967295 | 2022-05-23 | Electrical | 4451 N CAMPBELL AVE | SC 2019 CBRC: INTERNAL RENOVATIONS, DECONVERT EXISTING 2 STORY/2 UNIT BUILDING W/BASEMENT TO SFR, PER PLANS.R-5 OCC., TYPE IIIA CONST. | $300,000 |
| 100921064 | 2022-03-01 | Electrical | 833 W WRIGHTWOOD AVE | SPR 2019 CBRC: REPLACE EXISTING (2) CAR FRAME GARAGE WITH ROOFTOP DECK SAME AS EXISTING, ALUMINUM PERGOLA & REPLACE REAR WOOD STAIRS, PER PLANS. | $50,000 |
| 100924710 | 2021-07-08 | Electrical | 644 N PINE AVE | GARAGE | $17,000 |
| 100905053 | 2021-02-08 | Electrical | 1314 E 54TH ST | WORK IN UNIT 2W: REPLACE WINDOWS,CABINETS,PLUMBING FIXTURES. PLASTER /REPAIR WALLS TILE & PAINT | $230,000 |
| 100902006 | 2021-01-11 | Electrical | 2255 S MICHIGAN AVE | SPR 2019 CBRC - INTERIOR BUILDOUT OF A TENANT SPACE FOR A NEW HAIR SALON LOCATED ON THE GROUND AND MEZZANINE LEVEL IN AND EXISTING 5 STORY BUILDING. WORK TO INCLUDE MEP AND NEW LAY | $50,000 |
| 100900077 | 2020-11-17 | Electrical | 1441 W THOME AVE | REVISION TO PERMIT#100834468 CHANGE GENERAL CONTRACTOR TO KRAUS CONSTRUCTION, PLUMBER TO E.J.PLUMBING INC., MASON TO EMERALD CONCRETE AND BRICK, AND HVAC TO WESLEY'S HEATING INC. | $1 |
| 100873212 | 2020-05-29 | Electrical | 5643 N GLENWOOD AVE | SELF-CERT: INTERIOR RENOVATION AND NEW ROOFTOP STAIRWAY ENCLOSURE **NO ROOF DECK ALLOWED ON THIS BUILDING** DECONVERT 3 DU TO SFR; NEW REAR OPEN DECKS WITH PERGOLA AND VERTICAL TR | $400,000 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Chicago permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →